operands.isa revision 2646 
1// Copyright (c) 2006 The Regents of The University of Michigan
2// All rights reserved.
3//
4// Redistribution and use in source and binary forms, with or without
5// modification, are permitted provided that the following conditions are
6// met: redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer;
8// redistributions in binary form must reproduce the above copyright
9// notice, this list of conditions and the following disclaimer in the
10// documentation and/or other materials provided with the distribution;
11// neither the name of the copyright holders nor the names of its
12// contributors may be used to endorse or promote products derived from
13// this software without specific prior written permission.
14//
15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26//
27// Authors: Ali Saidi
28//          Gabe Black
29//          Steve Reinhardt
30
31def operand_types {{
32    'sb' : ('signed int', 8),
33    'ub' : ('unsigned int', 8),
34    'shw' : ('signed int', 16),
35    'uhw' : ('unsigned int', 16),
36    'sw' : ('signed int', 32),
37    'uw' : ('unsigned int', 32),
38    'sdw' : ('signed int', 64),
39    'udw' : ('unsigned int', 64),
40    'sf' : ('float', 32),
41    'df' : ('float', 64),
42    'qf' : ('float', 128)
43}};
44
45def operands {{
46    # Int regs default to unsigned, but code should not count on this.
47    # For clarity, descriptions that depend on unsigned behavior should
48    # explicitly specify '.uq'.
49    'Rd': 		('IntReg', 'udw', 'RD', 'IsInteger', 1),
50    'RdLow': 		('IntReg', 'udw', 'RD & (~1)', 'IsInteger', 2),
51    'RdHigh':		('IntReg', 'udw', 'RD | 1', 'IsInteger', 3),
52    'Rs1': 		('IntReg', 'udw', 'RS1', 'IsInteger', 4),
53    'Rs2': 		('IntReg', 'udw', 'RS2', 'IsInteger', 5),
54    #'Fa': ('FloatReg', 'df', 'FA', 'IsFloating', 1),
55    #'Fb': ('FloatReg', 'df', 'FB', 'IsFloating', 2),
56    #'Fc': ('FloatReg', 'df', 'FC', 'IsFloating', 3),
57    'Mem': 		('Mem', 'udw', None, ('IsMemRef', 'IsLoad', 'IsStore'), 4),
58    'NPC': 		('NPC', 'udw', None, ( None, None, 'IsControl' ), 4),
59    'NNPC':		('NNPC', 'udw', None, (None, None, 'IsControl' ), 4),
60    #'Runiq': ('ControlReg', 'uq', 'Uniq', None, 1),
61    #'FPCR':  ('ControlReg', 'uq', 'Fpcr', None, 1),
62    'R0':  		('IntReg', 'udw', '0', None, 6),
63    'R1':  		('IntReg', 'udw', '1', None, 7),
64    'R15': 		('IntReg', 'udw', '15', 'IsInteger', 8),
65    'R16': 		('IntReg', 'udw', '16', None, 9),
66
67    # Control registers
68    'Y':		('ControlReg', 'udw', 'MISCREG_Y', None, 12),
69    'Ccr':		('ControlReg', 'udw', 'MISCREG_CCR', None, 17),
70    'Asi':		('ControlReg', 'udw', 'MISCREG_ASI', None, 26),
71
72    'Tpc':		('ControlReg', 'udw', 'MISCREG_TPC', None, 28),
73    'Tnpc':		('ControlReg', 'udw', 'MISCREG_TNPC', None, 28),
74    'Tstate':		('ControlReg', 'udw', 'MISCREG_TSTATE', None, 28),
75    'Pstate':		('ControlReg', 'udw', 'MISCREG_PSTATE', None, 1),
76    'Tl':		('ControlReg', 'udw', 'MISCREG_TL', None, 27),
77
78    'Cwp':		('ControlReg', 'udw', 'MISCREG_CWP', None, 15),
79    'Cansave':		('ControlReg', 'udw', 'MISCREG_CANSAVE', None, 34),
80    'Canrestore':	('ControlReg', 'udw', 'MISCREG_CANRESTORE', None, 35),
81    'Cleanwin':		('ControlReg', 'udw', 'MISCREG_CLEANWIN', None, 37),
82    'Otherwin':		('ControlReg', 'udw', 'MISCREG_OTHERWIN', None, 36),
83    'Wstate':		('ControlReg', 'udw', 'MISCREG_WSTATE', None, 38),
84    'Gl':               ('ControlReg', 'udw', 'MISCREG_GL', None, 12),
85
86    'Fsr':		('ControlReg', 'udw', 'MISCREG_FSR', None, 47)
87
88}};
89